Solar Installation Cost in Washington DC, DC
Solar Installation in Washington DC, DC costs a median of $21,226, with the middle 50% of projects between $13,000 and $33,400. Based on 2,201 permits filed between December 2001 and April 2026 with DC Department of Buildings. Last updated May 16, 2026.
Sourced from 2,201 building permits on file with the City of Washington DC. Source: Washington DC Building Permits.
Types of Solar Installation Work in Washington DC
| Type | Typical cost | Range | Projects |
|---|---|---|---|
| Ground Mount | $41,472 | $2,400 - $77,000 | 95 |
| Roof Mount | $20,500 | $20 - $80,000 | 1,981 |
What Most Homeowners Paid
You could save $6,368 on a typical solar PV system in this market by claiming the federal Investment Tax Credit on your tax return.
- Federal Solar Investment Tax Credit (ITC)30%
- Federal credit applies to systems placed in service through .
Net cost is the median permit value minus the credits above, with each percent credit capped at its statutory maximum. Credits are nonrefundable and require sufficient tax liability to claim. Utility-level rebates are not included. Sources: IRS Form 5695.
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Public record data. HomeQuotr does not alter, estimate, or interpolate permit values.
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Half of all projects cost less. Half cost more.